ClosedHighPatched

Linux kernel nf_tables use-after-free (CVE-2024-1086) used for root

Linux Kernel

Linux kernel contains a use-after-free vulnerability in the netfilter: nf_tables component that allows an attacker to achieve local privilege escalation. Added to the CISA KEV catalog on 2024-05-30. CISA lists known use in ransomware campaigns.

Why this severity: CVSS 7.8 (v3.1, CNA), actively exploited (CISA KEV); known ransomware use

Started: Jan 31, 2024
Closed: May 30, 2024
CVE: CVE-2024-1086

Updated May 30, 2024

Affected

See vendor advisory (versions are not listed in the KEV record)

Fixed in

See vendor advisory linked in sources

Timeline2

May 30, 2024
CISA added CVE-2024-1086 to the KEV catalog (federal deadline 2024-06-20)
Source
Jan 31, 2024
CVE-2024-1086 published
Source

Advisories3

News & write-ups1

Flipping Pages: an analysis of a new Linux vulnerability in nf_tables and hardened exploitation techniquespwning.tech · Write-up

Notes & caveats

Derived from the CISA KEV JSON feed (catalogVersion 2026.10.21); CVSS from the CVE record (cveawg.mitre.org). startedAt is the CVE publication date when it fell in 2024 before the KEV listing, else the KEV dateAdded; exploitation may have begun earlier. closedAt is the KEV listing date (a fix or mitigation was available then unless noted).

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